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Home My WebLink AboutB14-0264_M4.1_1430849280.pdfPrimary 1. Control System a. Control system shall be Tekmar TN4 system with TekmarNet compatible components. b. Provide (1) Tekmar 482 Gateway with RS232 serial communication to the Home Automation System (HAS) (Savant installed by others). Savant to provide remote access via the internet with occupied/unoccupied functions. c. Provide (1) Tekmar 423 universal reset module, (4) Tekmar 335 zone managers and (3) Tekmar 325 zone modules. d. Tekmar TN4 system shall control central boiler plant (including water heaters and recirc pump), snowmelt boiler plants, kitchen make-up air, radiant floor, fan coils, spa heating, and snowmelting. e. Include (1) Tekmar 4808VHU6ZLWFKZKLFKDOORZVWKH6DYDQWV\VWHPWRFKDQJHVFHQHV3RVVLEOHVFHQHVHWWLQJVDUH1RUPDODQG³$ZD\´ 2. Thermostats a. 6HH³7KHUPRVWDW6FKHGXOH´RQVKHHW0WRGHWHUPLQHZKLFKVWDWVSHUIRUPZKLFKIXQFWLRQV7KHUPRVWDWVVKDOOEH7HNPDUFRPPXQLFDWLQJ type, compatible with TN4, unless noted otherwise. Thermostats will control radiant floors and fan coils. b. Tekmar TN4 thermostats shall be located remotely from the zones and shall each have (1) Tekmar 084 flush mounted indoor sensor located in the zone (unless noted otherwise). Savant shall display virtual thermostats on Savant touch screens, including zone name, zone setpoint, and zone temperature. c. Heat rejection supply/ exhaust fans shall have line voltage thermostats provided by mechanical contractor and wired by electrical contractor. 3. B-1 & B-2 Boilers (Central) a. Tekmar 423 universal reset module shall stage, modulate, and rotate B-1 & B-2 boilers to maintain heating water setpoint at temperature sensor TS-1. b. +HDWLQJZDWHUWHPSHUDWXUHVKDOOEHUHVHWEDVHGRQRXWGRRUDLUWHPSHUDWXUHVߛ)#)WR)#)ߜRUDVFDOFXODWHGE\LQGRRU feedback from the Tekmar TN4 system. c. +:6VHWSRLQWVKDOOEHUDPSHGXSWR)ߛDGMߜRQDQ\FDOOIRUGRPHVWLFKRWZDWHUKHDWLQJ d. +:6VHWSRLQWVKDOOEHUDPSHGXSWR)ߛDGMߜRQDFDOOIRUNLWFKHQPDNHXSDLU e. +:6VHWSRLQWVKDOOEHUDPSHGXSWR)ߛDGMߜRQDFDOOIRUVSDKHDWLQJ f. P-1 & P-2 boiler pumps shall run whenever associated boiler is called to fire. 4. Indirect Water Heaters a. Provide (1) Tekmar 336 zone manager and (4) Tekmar 162 setpoint controls. b. Upon a call for heating from temperature sensor TS-2DW:+ߛVHWDW)DGMߜ3ZDWHUKHDWHUSXPSVKDOOVWDUW c. Upon a call for heating from temperature sensor TS-3DW:+ߛVHWDW)DGMߜ3ZDWHUKHDWHUSXPSVKDOOVWDUW d. Upon a call for heating from temperature sensor TS-4DW:+ߛVHWDW)DGMߜ3ZDWHUKHDWHUSXPSVKDOOVWDUW e. Upon a call for heating from temperature sensor TS-5DW:+ߛVHWDW)DGMߜ3ZDWHUKHDWHUSXPSVKDOOVWDUW f. Water heaters shall be controlled by Tekmar TN4 system. Water heaters shall be disabled entirely during"Away" mode. g. P-12 domestic hot water recirculation pump shall be controlled by Tekmar TN4 system and shall be shut-off automatically during "Away" mode. 5. Radiant Floor Heating a. Tekmar 423 universal reset module shall control the Tekmar 741 actuating motor at MV-1 motorized mixing valve. Valve position shall be modulated via floating action to maintain heating water supply setpoint at temperature sensor TS-7. Setpoint shall be reset based on RXWGRRUDLUWHPSHUDWXUHVߛ)#)WR)#)ߜRUDVFDOFXODWHGE\LQGRRUIHHGEDFNIURPWKH7HNPDU71FRQWUROV\VWHP b. Upon a call for heating from thermostat, zone valve on heating water return pipe shall open. Heating water pump P-8a/b will already be operating (see "Pumps" sequence for additional information on P-8a&b). c. Radiant floor shall be the first stage of heating, fan coils shall be the second stage. 6. FC-1, 2, 3, 4, 5, 7, 8, 9, & 10 Fan Coils (EC Motor, Single-Zone) a. Fan coils shall be equipped with EC motors and potentiometers for balancing. EC motors shall be programmed with gradual speed changes for start and stop. b. COOLING: Upon a call for cooling, fan shall start and associated on/off zone valve shall open. Chilled water pump P-19 will already be operating (see "Pumps" sequence for additional information on P-19). c. HEATING: Upon a call for second stage heating, fan shall start, associated on/off zone valve shall open, and heating water pump P-9 shall start. d. HUMIDIFICATION: See "Steam Humidifiers" sequence. 7. FC-6 Fan Coil (Belt Drive, Single-Zone) a. COOLING: Upon a call for cooling, fan shall start and on/off zone valve shall open. Chilled water pump P-19 will already be operating (see "Pumps" sequence for additional information on P-19). b. HEATING: Upon a call for second stage heating, fan shall start and P-7 pump shall start and run full speed. c. KITCHEN/FIREPLACE MAKE-UP AIR: FC-6 blower shall be electrically interlocked with kitchen exhaust fan and great room fireplace valve. Normally closed OSA damper shall open (1500 CFM) and normally open RA damper shall partially close (1000 CFM). P-7 make-up air pump shall start to flow coil and B-1 & B-2 boilers shall be enabled. Pump speed shall be varied by Tekmar 356 mixing control to PDLQWDLQ)ߛDGMߜGLVFKDUJHDLUWHPSHUDWXUHDWTS-6 temperature sensor (mounted at FC-6 discharge). P-7 pump shall be disabled if OSA WHPSHUDWXUHLVJUHDWHUWKDQ)ߛDGMߜ3XPSVKDOOUXQIXOOVSHHGXSRQDFDOOIRUVHFRQGVWDJHKHDWLQJ d. HUMIDIFICATION: See "Steam Humidifiers" sequence. 8. FC-22 & 23 Fan Coils (Duct Free, Single-Zone) & HP-1 Heat Pump a. Fan coils shall each be controlled by a cooling thermostat. b. ELEVATOR EQUIPMENT COOLING (FC-22): Upon a call for second stage elevator equipment cooling, fan shall start and HP-1 heat pump shall be enabled. Heat pump shall cycle as directed by integral Mitsubishi controls to meet the cooling demand. Thermostat shall be VHWDW)ߛDGMߜ c. AV EQUIPMENT COOLING (FC-23): Upon a call for AV equipment cooling, fan shall start and HP-1 heat pump shall be enabled. Heat pump shall cycle as directed by integral Mitsubishi controls to meet the cooling demand. 9. PD-1 Pool Dehumidifier a. Unit shall be controlled by Desertaire microprocessor controls and shall be connected to the Savant system as required. Mechanical Contractor to coordinate with HAS contractor to determine what type of communication protocol is required. PD-1 microprocessor controls shall be ordered to be compatible with HAS communication protocol. b. FAN: Fan shall run continuously, to prevent air stratification and stagnation and to ensure accurate sensor readings. Fan shall run on high speed whenever compressor is called to run. Fan shall run on low speed whenever compressor is off. c. '(+80,',),&$7,218SRQDFDOOIRUGHKXPLGLILFDWLRQFRPSUHVVRUVKDOOUXQ'LVFKDUJHDLUWHPSHUDWXUHZLOOEHDSSUR[LPDWHO\) warmer than entering air temperature. Warm, dry dehumidified air will be discharged into the space. d. &22/,1*8SRQDFDOOIRUFRROLQJFRPSUHVVRUVKDOOUXQ'LVFKDUJHDLUWHPSHUDWXUHZLOOEHDSSUR[LPDWHO\)FRROHUWKDQHQWHULQJDLU temperature. Cool, dry dehumidified air will be discharged into the space. 10. HX-1 Outdoor Spa Heat Exchanger a. Provide (1) Tekmar 162 setpoint control. This Tekmar 162 will share the water heater's Tekmar 336 zone manager. b. Upon a call for heating from TS-8 temperature sensor, normally closed control valve shall open, end switch shall signal P-10 pump to start, and B-1 & B-2 boilers shall be enabled. 11. HX-2 Indoor Spa Heat Exchanger a. Provide (1) Tekmar 162 setpoint control. This Tekmar 162 will share the water heater's Tekmar 336 zone manager. b. Upon a call for heating from TS-9 temperature sensor, normally closed control valve shall open, end switch shall signal P-11 pump to start, and B-1 & B-2 boilers shall be enabled. 12. B-3 Boiler (Snowmelt) a. Integral Lochinvar controls shall modulate B-3 boiler to maintain heating water supply setpoint at temperature sensor TS-10. b. +:6VHWSRLQWVKDOOEHVHWDW)ߛDGMߜ c. Provide (2) Tekmar 091/094 snow/ice sensors and sockets, one for each snowmelt zone. d. Provide (2) Tekmar 654 snowmelt controls, one for each snowmelt zone. e. 3URYLGHDQ³$8722))7,0('21´VRIWZDUHVZLWFKIRUHDFKVQRZPHOW]RQHZLWKLQWKH+$6³$XWR´PRGHPHDQVDXWRPDWLFDOO\ FRQWUROOHGE\7HNPDUV\VWHPWRUXQZKHQVQRZLVVHQVHGDWWKHVQRZLFHVHQVRU³2II´PHDQVVQRZPHOWLVRIIHQWLUHO\7LPHG2QPHDQV snowmelt shall turn on for a timed snowmelt operation period of 6 hours (adj). Upon completion of "Timed-On" cycle, switch shall default back to previous position. f. 7HNPDUV\VWHPVKDOOEHVHWXSIRU::6'ߛZDUPZHDWKHUVKXWGRZQߜDWDSSUR[LPDWHO\)ߛDGMߜ6\VWHPVKDOOQRWRSHUDWHLIRXWGRRU temperature is above this setting. 13. CH-1, 2, & 3 Chillers a. Chillers shall be controlled by integral staging controls to maintain chilled water supply temperature at temperature sensor TS-11RI) upon a call for cooling. b. P-16, P-17, & P-18 chiller pumps shall operate whenever associated chiller is running. 14. WCU-1 Wineroom Cooling Unit a. COOLING: Upon a call for cooling from wall mounted thermostat, fans shall start. Compressor shall be controlled by integral controls to meet the cooling load. b. HUMIDIFICATION: Upon a call for cooling from wall mounted humidistat, integral humidifier shall start and fan shall start. 15. Fans a. DBF-1 dryer booster fan shall be controlled by an integral pressure sensing switch which recognizes dryer operation and activates booster fan from an independent electrical circuit. The integral delay-on-make timer in the switch will cycle the fan on for intervals of 10 minutes. This will continue until the dryer has stopped and the timer delay period has lapsed. b. EF-1 bath exhaust fans shall each be controlled by an on/off wall switch. c. EF-2 garage exhaust fan shall be energized via a motion sensor in the garage ceiling. Once energized, fan shall run for 30 minutes (adj) as set by adjustable timer. Any trigger of the motion sensor during the timed run period shall reset the timer. Also, provide a wall mounted 2 hour timer switch for manual operation. d. ()HOHYDWRUH[KDXVWIDQVKDOOEHFRQWUROOHGE\DOLQHYROWDJHFRROLQJWKHUPRVWDW7KHUPRVWDWVKDOOEHVHWDW)ߛDGMߜ e. EF-4 inline bath exhaust fans shall be controlled by an on/off wall switch. f. EF-5 crawlspace exhaust fan shall be controlled by a line voltage dehumidistat. g. EF-6 crawlspace exhaust fan shall be controlled by a line voltage dehumidistat and cooling thermostat wired in parallel. h. EF-7 exercise exhaust fan shall be controlled by an on/off wall switch. f. SF-1 mechanical room supply fan shall be controlled by a line voltage cooling thermostat and a timer switch wired in parallel. Cooling WKHUPRVWDWVKDOOEHVHWDW)ߛDGMߜ 16. ERV-1 Energy Recovery Ventilator a. ERV-1 shall be tied into the home automation system. Unit shall run during occupied periods and shall be off during unoccupied periods. b. This ERV is tied into a fan coil, however no interlocks are required. Fan coil does not need to run for ERV to be fully effective. 17. Steam Humidifiers a. Provide (1) Nortec outdoor temperature sensor and (1) Nortec digital humidistat controller with remote transducer for each humidifier. b. Upon a call for humidification from room mounted humidity transducer, associated fan shall start and once airflow is proven by air proving switch, humidifier shall start. Humidifier shall modulate to maintain humidity setpoint. c. Include a high limit duct humidistat located in the supply air duct, downstream of the steam absorption zone to disable humidifier if levels are too high. d. Digital humidistat controller shall automatically reset the humidity setpoint based on outdoor temperature. Outdoor reset curve shall be adjustable. e. Humidification shall be disabled during calls for cooling and make-up air. f. Integral controls shall automatically temper hot drain water by mixing cold domestic water to comply with code. 18. Steam Generators a. Steam generators shall be controlled by Mr. Steam controls. 19. Pumps a. P-1 B-1 boiler pump: on whenever boiler is called to fire. b. P-2 B-2 boiler pump: on whenever boiler is called to fire. c. P-3 WH-1 water heater pump: on upon a call for DHW heating from TS-2 temperature sensor. d. P-4 WH-2 water heater pump: on upon a call for DHW heating from TS-3 temperature sensor. e. P-5 WH-3 water heater pump: on upon a call for DHW heating from TS-4 temperature sensor. f. P-6 WH-4 water heater pump: on upon a call for DHW heating from TS-5 temperature sensor. g. P-7 FC-6 fan coil pump: on during a call for make-up air and when not shutdown by WWSD (warm weather shut down). Pump is to be controlled for variable speed pumping via Tekmar 356 mixing control. Pump shall run full speed (bypass Tekmar 356 control) upon a call for second stage heating. h. P-8a&b radiant floor heating pumps: pumps shall be staged by the Grundfos Genie Bus controls. Only one pump is required to run at a time. The second pump is for standby operation for the case that the other pump fails. Pumps shall be rotated for equal run times. Pumps shall run constantly when Tekmar Control system is NOT in WWSD (warm weather shut-down). Grundfos Magna pump is equipped with DQLQWHJUDWHGYDULDEOHIUHTXHQF\FRQYHUWHUWRDXWRPDWLFDOO\YDU\SXPSVSHHGEDVHGRQIORZGHPDQG6HWSXPSWR³3URSRUWLRQDO3UHVVXUH´ mode. Pump will run even when there are no zone valves calling. This is OK because the pump will slow down to a very slow speed and very little electrical energy will be used. i. P-9 forced air heating pump: on upon a call for forced air heating. j. P-10 HX-1 heat exchanger pump: on upon a call for outdoor spa heating from TS-8 temperature sensor. k. P-11 HX-2 heat exchanger pump: on upon a call for indoor spa heating from TS-9 temperature sensor. l. P-12 domestic hot water recirculation pump: controlled by TN4 system. On during "Normal" mode. Off during "Away" mode. m. P-13 B-3 boiler pump: on whenever boiler is called to fire. n. P-14 snowmelt pump: on whenever there is a call for snowmelting from SZ-1. o. P-15 snowmelt pump: on whenever there is a call for snowmelting from SZ-2. p. P-16 CH-1 chiller pump: on whenever chiller is called to run. q. P-17 CH-2 chiller pump: on whenever chiller is called to run. r. P-18 CH-3 chiller pump: on whenever chiller is called to run. s. 3FKLOOHGZDWHUSXPS6HWSXPSWR³3URSRUWLRQDO3UHVVXUH´PRGH3XPSZLOOUXQHYHQZKHQWKHUHDUHQR]RQHYDOYHVFDOOLQJ7KLVLV2. because the pump will slow down to a very slow speed and very little electrical energy will be used. Secondary 1. Control System a. Control system shall be Tekmar TN4 system with TekmarNet compatible components. b. Provide (1) Tekmar 482 Gateway with RS232 serial communication to the Home Automation System (HAS) (Savant installed by others). Savant to provide remote access via the internet with occupied/unoccupied functions. c. Provide (1) Tekmar 423 universal reset module, (4) Tekmar 335 zone managers and (3) Tekmar 325 zone modules. d. Tekmar TN4 system shall control central boiler plant (including water heaters and recirc pump), snowmelt boiler plants, kitchen make-up air, radiant floor, fan coils, spa heating, and snowmelting. e. Include (1) Tekmar 4808VHU6ZLWFKZKLFKDOORZVWKH6DYDQWV\VWHPWRFKDQJHVFHQHV3RVVLEOHVFHQHVHWWLQJVDUH1RUPDODQG³$ZD\´ 2. Thermostats a. 6HH³7KHUPRVWDW6FKHGXOH´RQVKHHW0WRGHWHUPLQHZKLFKVWDWVSHUIRUPZKLFKIXQFWLRQV7KHUPRVWDWVVKDOOEH7HNPDUFRPPXQLFDWLQJ type, compatible with TN4, unless noted otherwise. Thermostats will control radiant floors and fan coils. b. Tekmar TN4 thermostats shall be located remotely from the zones and shall each have (1) Tekmar 084 flush mounted indoor sensor located in the zone (unless noted otherwise). Savant shall display virtual thermostats on Savant touch screens, including zone name, zone setpoint, and zone temperature. c. Heat rejection supply/ exhaust fans shall have line voltage thermostats provided by mechanical contractor and wired by electrical contractor. 3. B-4 & B-5 Boilers (Central) a. Tekmar 423 universal reset module shall stage, modulate, and rotate B-4 & B-5 boilers to maintain heating water setpoint at temperature sensor TS-12. b. +HDWLQJZDWHUWHPSHUDWXUHVKDOOEHUHVHWEDVHGRQRXWGRRUDLUWHPSHUDWXUHVߛ)#)WR)#)ߜRUDVFDOFXODWHGE\LQGRRU feedback from the Tekmar TN4 system. c. +:6VHWSRLQWVKDOOEHUDPSHGXSWR)ߛDGMߜRQDQ\FDOOIRUGRPHVWLFKRWZDWHUKHDWLQJ d. +:6VHWSRLQWVKDOOEHUDPSHGXSWR)ߛDGMߜRQDFDOOIRUNLWFKHQPDNHXSDLU e. +:6VHWSRLQWVKDOOEHUDPSHGXSWR)ߛDGMߜRQDFDOOIRUVSDKHDWLQJ f. P-20 & P-21 boiler pumps shall run whenever associated boiler is called to fire. 4. Indirect Water Heaters a. Provide (1) Tekmar 336 zone manager and (2) Tekmar 162 setpoint controls. b. Upon a call for heating from temperature sensor TS-13DW:+ߛVHWDW)DGMߜ3ZDWHUKHDWHUSXPSVKDOOVWDUW c. Upon a call for heating from temperature sensor TS-14DW:+ߛVHWDW)DGMߜ3ZDWHUKHDWHUSXPSVKDOOVWDUW d. Water heaters shall be controlled by Tekmar TN4 system. Water heaters shall be disabled entirely during"Away" mode. e. P-28 domestic hot water recirculation pump shall be controlled by Tekmar TN4 system and shall be shut-off automatically during "Away" mode. 5. Radiant Floor Heating a. Tekmar 423 universal reset module shall control the Tekmar 741 actuating motor at MV-2 motorized mixing valve. Valve position shall be modulated via floating action to maintain heating water supply setpoint at temperature sensor TS-16. Setpoint shall be reset based on RXWGRRUDLUWHPSHUDWXUHVߛ)#)WR)#)ߜRUDVFDOFXODWHGE\LQGRRUIHHGEDFNIURPWKH7HNPDU71FRQWUROV\VWHP b. Upon a call for heating from thermostat, zone valve on heating water return pipe shall open. Heating water pump P-25a/b will already be operating (see "Pumps" sequence for additional information on P-25a&b). c. Radiant floor shall be the first stage of heating, fan coils shall be the second stage. 6. FC-11, 12, 13, 15, 16, 19, & 20 Fan Coils (EC Motor, Single-Zone) a. Fan coils shall be equipped with EC motors and potentiometers for balancing. EC motors shall be programmed with gradual speed changes for start and stop. b. COOLING: Upon a call for cooling, fan shall start and associated on/off zone valve shall open. Chilled water pump P-33 will already be operating (see "Pumps" sequence for additional information on P-33). c. HEATING: Upon a call for second stage heating, fan shall start, associated on/off zone valve shall open, and heating water pump P-26 shall start. d. HUMIDIFICATION: See "Steam Humidifiers" sequence. 7. FC-14 & 18 Fan Coils (Belt Drive, Single-Zone) a. COOLING: Upon a call for cooling, fan shall start and associated on/off zone valve shall open. Chilled water pump P-35 will already be operating (see "Pumps" sequence for additional information on P-35). b. HEATING: Upon a call for second stage heating, fan shall start, associated on/off zone valve shall open, and heating water pump P-26 shall start. c. HUMIDIFICATION: See "Steam Humidifiers" sequence. 8. FC-17 Fan Coil (EC Motor, Single-Zone) a. Fan coil shall be equipped with EC motors and potentiometers for balancing. EC motors shall be programmed with gradual speed changes for start and stop. b. COOLING: Upon a call for cooling, fan shall start and on/off zone valve shall open. Chilled water pump P-35 will already be operating (see "Pumps" sequence for additional information on P-35). c. HEATING: Upon a call for second stage heating, fan shall start and P-24 pump shall start and run full speed. d. KITCHEN MAKE-UP AIR: FC-17 blower shall be electrically interlocked with kitchen exhaust fan. Normally closed OSA damper shall open (1000 CFM) and normally open RA damper shall mostly close (200 CFM). P-24 make-up air pump shall start to flow coil and B-4 & B-5 boilers shall be enabled. Pump speed shall be varied by Tekmar 356PL[LQJFRQWUROWRPDLQWDLQ)ߛDGMߜGLVFKDUJHDLUWHPSHUDWXUHDW TS-15WHPSHUDWXUHVHQVRUߛPRXQWHGDW)&GLVFKDUJHߜ3SXPSVKDOOEHGLVDEOHGLI26$WHPSHUDWXUHLVJUHDWHUWKDQ)ߛDGMߜ3XPS shall run full speed upon a call for second stage heating. e. HUMIDIFICATION: See "Steam Humidifiers" sequence. 9. FC-24 & 25 Fan Coils (Duct Free, Single-Zone) & HP-2 Heat Pump a. Fan coils shall each be controlled by a cooling thermostat. b. ELEVATOR EQUIPMENT COOLING (FC-24): Upon a call for second stage elevator equipment cooling, fan shall start and HP-2 heat pump shall be enabled. Heat pump shall cycle as directed by integral Mitsubishi controls to meet the cooling demand. Thermostat shall be VHWDW)ߛDGMߜ c. AV EQUIPMENT COOLING (FC-25): Upon a call for AV equipment cooling, fan shall start and HP-2 heat pump shall be enabled. Heat pump shall cycle as directed by integral Mitsubishi controls to meet the cooling demand. 10. HX-3 Outdoor Spa Heat Exchanger a. Provide (1) Tekmar 162 setpoint control. This Tekmar 162 will share the water heater's Tekmar 336 zone manager. b. Upon a call for heating from TS-17 temperature sensor, normally closed control valve shall open, end switch shall signal P-27 pump to start, and B-4 & B-5 boilers shall be enabled. 11. B-6 Boiler (Snowmelt) a. Integral Lochinvar controls shall modulate B-6 boiler to maintain heating water supply setpoint at temperature sensor TS-18. b. +:6VHWSRLQWVKDOOEHVHWDW)ߛDGMߜ c. Provide (2) Tekmar 091/094 snow/ice sensors and sockets, one for each snowmelt zone. d. Provide (2) Tekmar 654 snowmelt controls, one for each snowmelt zone. e. 3URYLGHDQ³$8722))7,0('21´VRIWZDUHVZLWFKIRUHDFKVQRZPHOW]RQHZLWKLQWKH+$6³$XWR´PRGHPHDQVDXWRPDWLFDOO\ FRQWUROOHGE\7HNPDUV\VWHPWRUXQZKHQVQRZLVVHQVHGDWWKHVQRZLFHVHQVRU³2II´PHDQVVQRZPHOWLVRIIHQWLUHO\7LPHG2QPHDQV snowmelt shall turn on for a timed snowmelt operation period of 6 hours (adj). Upon completion of "Timed-On" cycle, switch shall default back to previous position. f. 7HNPDUV\VWHPVKDOOEHVHWXSIRU::6'ߛZDUPZHDWKHUVKXWGRZQߜDWDSSUR[LPDWHO\)ߛDGMߜ6\VWHPVKDOOQRWRSHUDWHLIRXWGRRU temperature is above this setting. 12. CH-4, 5, & 6 Chillers a. Chillers shall be controlled by integral staging controls to maintain chilled water supply temperature at temperature sensor TS-19RI) upon a call for cooling. b. P-32, P-33, & P-34 chiller pumps shall operate whenever associated chiller is running. 13. Fans a. DBF-1 dryer booster fan shall be controlled by an integral pressure sensing switch which recognizes dryer operation and activates booster fan from an independent electrical circuit. The integral delay-on-make timer in the switch will cycle the fan on for intervals of 10 minutes. This will continue until the dryer has stopped and the timer delay period has lapsed. b. EF-1 bath exhaust fans shall each be controlled by an on/off wall switch. c. EF-2 garage exhaust fan shall be energized via a motion sensor in the garage ceiling. Once energized, fan shall run for 30 minutes (adj) as set by adjustable timer. Any trigger of the motion sensor during the timed run period shall reset the timer. Also, provide a wall mounted 2 hour timer switch for manual operation. d. ()HOHYDWRUH[KDXVWIDQVKDOOEHFRQWUROOHGE\DOLQHYROWDJHFRROLQJWKHUPRVWDW7KHUPRVWDWVKDOOEHVHWDW)ߛDGMߜ e. EF-4 inline bath exhaust fans shall be controlled by an on/off wall switch. f. EF-5 crawlspace exhaust fan shall be controlled by a line voltage dehumidistat. f. SF-2 mechanical room supply fan shall be controlled by a line voltage cooling thermostat and a timer switch wired in parallel. Cooling WKHUPRVWDWVKDOOEHVHWDW)ߛDGMߜ 14. Steam Humidifiers a. Provide (1) Nortec outdoor temperature sensor and (1) Nortec digital humidistat controller with remote transducer for each humidifier. b. Upon a call for humidification from room mounted humidity transducer, associated fan shall start and once airflow is proven by air proving switch, humidifier shall start. Humidifier shall modulate to maintain humidity setpoint. c. Include a high limit duct humidistat located in the supply air duct, downstream of the steam absorption zone to disable humidifier if levels are too high. d. Digital humidistat controller shall automatically reset the humidity setpoint based on outdoor temperature. Outdoor reset curve shall be adjustable. e. Humidification shall be disabled during calls for cooling and make-up air. f. Integral controls shall automatically temper hot drain water by mixing cold domestic water to comply with code. 15. Steam Generators a. Steam generators shall be controlled by Mr. Steam controls. 16. Pumps a. P-20 B-4 boiler pump: on whenever boiler is called to fire. b. P-21 B-5 boiler pump: on whenever boiler is called to fire. c. P-22 WH-5 water heater pump: on upon a call for DHW heating from TS-13 temperature sensor. d. P-23 WH-6 water heater pump: on upon a call for DHW heating from TS-14 temperature sensor. e. P-24 FC-17 fan coil pump: on during a call for make-up air and when not shutdown by WWSD (warm weather shut down). Pump is to be controlled for variable speed pumping via Tekmar 356 mixing control. Pump shall run full speed (bypass Tekmar 356 control) upon a call for second stage heating. f. P-25a&b space heating pumps: pumps shall be staged by the Grundfos Genie Bus controls. Only one pump is required to run at a time. The second pump is for standby operation for the case that the other pump fails. Pumps shall be rotated for equal run times. Pumps shall run constantly when Tekmar Control system is NOT in WWSD (warm weather shut-down). Grundfos Magna pump is equipped with an LQWHJUDWHGYDULDEOHIUHTXHQF\FRQYHUWHUWRDXWRPDWLFDOO\YDU\SXPSVSHHGEDVHGRQIORZGHPDQG6HWSXPSWR³3URSRUWLRQDO3UHVVXUH´ mode. Pump will run even when there are no zone valves calling. This is OK because the pump will slow down to a very slow speed and very little electrical energy will be used. g. P-26 forced air heating pump: on upon a call for forced air heating. h. P-27 HX-3 heat exchanger pump: on upon a call for outdoor spa heating from TS-17 temperature sensor. i. P-28 domestic hot water recirculation pump: controlled by TN4 system. On during "Normal" mode. Off during "Away" mode. j. P-29 B-6 boiler pump: on whenever boiler is called to fire. k. P-30 snowmelt pump: on whenever there is a call for snowmelting from SZ-3. l. P-31 snowmelt pump: on whenever there is a call for snowmelting from SZ-4. m. P-32 CH-4 chiller pump: on whenever chiller is called to run. n. P-33 CH-5 chiller pump: on whenever chiller is called to run. o. P-34 CH-6 chiller pump: on whenever chiller is called to run. p. 3FKLOOHGZDWHUSXPS6HWSXPSWR³3URSRUWLRQDO3UHVVXUH´PRGH3XPSZLOOUXQHYHQZKHQWKHUHDUHQR]RQHYDOYHVFDOOLQJ7KLVLV2. because the pump will slow down to a very slow speed and very little electrical energy will be used. Sequence of Operation 4/27/15 05/05/15